空军工程大学学报（自然科学版）Issue(5)：1-5,5.DOI:10.3969/j.issn.1009-3516.2014.05.001
基于概率阈的冗余多故障诊断策略
Multiple Fault Diagnosis Strategy for Redundant System Based on Probability Threshold
摘要
Abstract
Aimed at the problem of the multiple fault diagnosis of redundant system,a multiple fault diag-nosis strategy for redundant system based on probability is proposed to reduce the computation and the ex-pectant costs under condition that a probability value is set as a probability threshold and the multi-fault state whose probability is lower than the value of this probability threshold is neglected.First,this strate-gy is used to optimize the relation matrix model,and give up the multi-fault states whose probability is lower than the probability threshold.And then,Rollout algorithm is used to optimize the information en-tropy based diagnosis strategy.The example demonstrates that though the expectant costs are lowered by the strategy into a certain accuracy,a great proportion of the expectant test costs is reduced ,the size of the fault-test relation matrix model is minimized,and the calculation time is reduced.关键词
冗余系统/多故障诊断/诊断策略/Rollout算法Key words
redundant system/multiple fault diagnosis/diagnostic strategy/Rollout algorithm分类
信息技术与安全科学引用本文复制引用
黄以锋,景博,喻彪,李健君..基于概率阈的冗余多故障诊断策略[J].空军工程大学学报（自然科学版）,2014,(5):1-5,5.基金项目
国家自然科学基金资助项目(51201182) （51201182）
